Lect03a Win Internet o

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Introduction to Window

Understanding the Internet Using email

Lecture 2

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Windows Desktop elements

TotalLab v1.10.lnk

Icons

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Windows Desktop elements

Icons

Task bar

Start … pop-up menu

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Title bar Menu bar Tool bar

Minimize, maximize, exit Scroll bar, arrows and box Status bar

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Menu bar

Toolbar

Title bar

Title bar _{Min, Max, Exit}_{Min, Max, Exit}

Scroll bar, box, arrows

Status bar

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Windows Explorer

•

File, document, and folder management

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Understanding the Internet

• Introducing the Internet

• Internet Connection

• Exploring Internet Services

• How the Internet Works

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Want to understand more about internet? go to:

http://www.cybergeography.org/atlas/

Want to understand more about internet? go to:

http://www.cybergeography.org/atlas/

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Exploring Internet Services

• Electronic mail (Email): Staying in touch

• World Wide Web (WWW): Accessing

information

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Exploring Internet Services

• FTP: Transferring files

– FTP

– downloading & uploading – anonymous FTP

– compression software

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Introducing the Internet

• The Internet’s history

– importance of communication & socializing – from ARPNET to Internet

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LANs and computers connected to the Internet are maintained by corporations, ISPs, and universities

who sell Internet subscriptions to the public.

LANs and computers connected to the Internet are maintained by corporations, ISPs, and universities

who sell Internet subscriptions to the public.

Introducing the Internet

• A galactic network

– Internet address or IP address

• 105.137.121.077 = home.umm.ac.id

– Internet service provider (ISP)

• Interoperability

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NSP: network service provider(IBM, MCI)

ISP or Host (UCD,

AOL)

Client

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How the Internet Works:

A Geography of Cyberspace

• Internet Service Providers (ISPs)

• Backbones

• Internet protocols (TCP/IP)

– Internet protocol (IP)

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How the Internet Works:

A Geography of Cyberspace

• Domain Name System (DNS)

– gov

See for yourself how the domain name service operates. Access the NSLOOKUP page and type in a

domain name such as

www.microsoft.com. Click the Run button, and you’ll see the IP

address below.

See for yourself how the domain name service operates. Access the NSLOOKUP page and type in a

domain name such as

www.microsoft.com. Click the Run button, and you’ll see the IP

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Netscape Navigator and Microsoft Internet Explorer are the two leading browsers.

Internet Software

• Internet service

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Accessing the Internet

• You will need:

– Computer

– Campus computing account – Modem

• quality v.90 56K bps modems :$15 - $150 • if using other ISP’s check their list

• Settings

– UMMNet – Software

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Making the connection

• UMMNet support for access • Setting for dial-up connection:

– configure modem

– configure TCP/IP for dial-up

– configure dial-up connection (PPP)

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Email Fundamentals

• _{Email servers & clients}

An e-mail server runs on your ISP’s computer. When you send mail, the server sends your mail over the Internet. An e-mail client runs on your computer and enables you to read and reply

to received messages, compose new ones, and forward mail.

An e-mail server runs on your ISP’s computer. When you send mail, the server sends your mail over the Internet. An e-mail client runs on your computer and enables you to read and reply

to received messages, compose new ones, and forward mail.

User _ISP

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Email Fundamentals

Telkom (TelkomNet) will do this for you, and guide you. For other ISP’s you need to

understand the settings, or get customized files like

TelkomNet

Telkom (TelkomNet) will do this for you, and guide you. For other ISP’s you need to

understand the settings, or get customized files like

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Email Fundamentals

• Information for email:

– username (whnuser)

– password (random, #’s, $, change)

– email address (dandy_2c@students.umm.ac.id) – POP server name (e.g. popmail.umm.ac.id)

– SMTP server name (e.g. mail.umm.ac.id)

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Pine vs. Webmail vs. Eudora

• Pine

– software and messages always reside on campus server – subject to quotas

– accessible by telnet by direct network connection or dial-up

• WebMail like Hotmail or Geckomail

– requires web browser

– requires dial-up or DN connection

– SoftWare and messages reside on commercial server (where?!)

• Eudora

– requires dial-up or DN connection – SW resides on your PC

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Using Email Responsibly

• How to stay out of trouble

– Do not use company email for personal use – Do not give information you would not give by

phone or in a letter

– Open and send attachments with respect – Never respond to junk email (spam)

– Never use email to harass or intimidate